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We introduce the first oscillation-independent astrophysical method to probe non-standard neutrino interactions (NSI) in core-collapse supernovae. Using a self-consistent treatment of NSI effects in both supernova neutrino emission…

High Energy Physics - Phenomenology · Physics 2025-09-10 Angela R. Beatty , Anna M. Suliga , Volodymyr Takhistov

Given the fact that the relatively light Higgsino mass $\mu$ favored in natural supersymmetry usually results in a sizable scattering cross section between the neutralino dark matter and the nucleon, we study the impact of the recently…

High Energy Physics - Phenomenology · Physics 2017-11-06 Junjie Cao , Yangle He , Liangliang Shang , Wei Su , Peiwen Wu , Yang Zhang

Neutrino non-standard interactions (NSI) can be constrained using coherent elastic neutrino-nucleus scattering. We discuss here two aspects in this respect, namely the effects of (i) charged current NSI in neutrino production and (ii)…

High Energy Physics - Phenomenology · Physics 2021-07-19 Amir N. Khan , Douglas W. McKay , Werner Rodejohann

We investigate non-standard neutrino interactions (NSIs) in the triplet seesaw model featuring non-trivial correlations between NSI parameters and neutrino masses and mixing parameters. We show that sizable NSIs can be generated as a…

High Energy Physics - Phenomenology · Physics 2009-02-18 Michal Malinsky , Tommy Ohlsson , He Zhang

Traditional direct searches for dark matter, looking for nuclear recoils in deep underground detectors, are challenged by an almost complete loss of sensitivity for light dark matter particles. Consequently, there is a significant effort in…

High Energy Physics - Phenomenology · Physics 2020-04-22 Kyrylo Bondarenko , Alexey Boyarsky , Torsten Bringmann , Marco Hufnagel , Kai Schmidt-Hoberg , Anastasia Sokolenko

We investigate the impact of non-standard neutrino interactions (NSIs) on atmospheric neutrinos using the proposed PINGU experiment. In particular, we focus on the matter NSI parameters $\varepsilon_{\mu\tau}$ and $|\varepsilon_{\tau\tau} -…

High Energy Physics - Phenomenology · Physics 2014-11-19 Sandhya Choubey , Tommy Ohlsson

We take into account a generic form of a Dirac fermionic dark matter (DM), which communicates with the Standard Model quarks via a scalar mediator, in a model-independent way. Four special interaction scenarios are investigated, where one…

High Energy Physics - Phenomenology · Physics 2013-06-19 Ho-Chin Tsai , Kwei-Chou Yang

We consider simplified dark matter models where a dark matter candidate couples to the standard model (SM) particles via an $s$-channel spin-2 mediator, and study constraints on the model parameter space from the current LHC data. Our focus…

High Energy Physics - Phenomenology · Physics 2017-06-28 Sabine Kraml , Ursula Laa , Kentarou Mawatari , Kimiko Yamashita

We consider effects of the Non-Standard Interactions (NSI) on oscillations of the high energy atmospheric neutrinos. The \nu_\mu-oscillograms are constructed and their dependence on the NSI strength parameters \epsilon_{\alpha \beta}…

High Energy Physics - Phenomenology · Physics 2015-06-15 Arman Esmaili , Alexei Yu. Smirnov

A search for dark matter particles is performed using events with a pair of W bosons and large missing transverse momentum. Candidate events are selected by requiring one or two leptons ($\ell =$ electrons or muons). The analysis is based…

High Energy Physics - Experiment · Physics 2024-03-27 CMS Collaboration

The lightest supersymmetric particle may decay with branching ratios that correlate with neutrino oscillation parameters. In this case the CERN Large Hadron Collider (LHC) has the potential to probe the atmospheric neutrino mixing angle…

High Energy Physics - Phenomenology · Physics 2014-11-21 F. De Campos , O. J. P. Eboli , M. Hirsch , M. B. Magro , W. Porod , D. Restrepo , J. W. F. Valle

Natural SUSY scenarios with a low value of the $\mu$ parameter, are characterised by a higgsino-like dark matter candidate, and a compressed spectrum for the lightest higgsinos. We explore the prospects for probing this scenario at the 13…

High Energy Physics - Phenomenology · Physics 2015-10-20 D. Barducci , A. Belyaev , A. Bharucha , W. Porod , V. Sanz

We investigate the power of low-energy, high-luminosity electron--positron colliders to probe hidden sectors with a mass below ~10 GeV that couple to Standard Model particles through a light mediator. Such sectors provide well-motivated…

High Energy Physics - Phenomenology · Physics 2015-02-24 Rouven Essig , Jeremy Mardon , Michele Papucci , Tomer Volansky , Yi-Ming Zhong

We discuss novel ways in which neutrino oscillation experiments can probe dark matter. In particular, we focus on interactions between neutrinos and ultra-light ("fuzzy") dark matter particles with masses of order $10^{-22}$ eV. It has been…

High Energy Physics - Phenomenology · Physics 2018-02-05 Vedran Brdar , Joachim Kopp , Jia Liu , Pascal Prass , Xiao-Ping Wang

At a level too faint for astronomy, particle dark matter may interact with Standard Model states via the photon. We derive limits from direct detection experiments on photon-mediated nuclear interactions up to operator dimension-6, viz.,…

High Energy Physics - Phenomenology · Physics 2025-09-30 Jason Kumar , Biprajit Mondal , Girish Muralidhara , Nirmal Raj

Solar neutrinos induce elastic neutrino-electron scattering in dark matter direct detection experiments, resulting in detectable event rates at current facilities. We analyze recent data from the XENONnT, LUX-ZEPLIN, and PandaX-4T…

High Energy Physics - Phenomenology · Physics 2024-05-31 Valentina De Romeri , Dimitrios K. Papoulias , Christoph A. Ternes

We discuss low-energy and collider constraints on the effective couplings characterizing non-standard charged current interactions. A direct comparison of low-energy and LHC probes can be performed within an effective theory framework, when…

High Energy Physics - Phenomenology · Physics 2015-06-11 Vincenzo Cirigliano , Martín González-Alonso , Michael L. Graesser

Scattering interactions between dark matter and Standard Model states mediated by pseudoscalars are generically challenging to uncover at direct detection experiments due to rates suppressed by powers of the local dark matter velocity v ~…

High Energy Physics - Phenomenology · Physics 2022-12-28 John Coffey , David McKeen , David E. Morrissey , Nirmal Raj

Recently, two dark matter direct detection experiments have announced the first indications of nuclear recoils from solar $^8$B neutrinos via coherent elastic neutrino-nucleus scattering (CE$\nu$NS) with xenon nuclei. These results…

High Energy Physics - Phenomenology · Physics 2025-05-12 Valentina De Romeri , Dimitrios K. Papoulias , Christoph A. Ternes

The sensitivity of direct detection of dark matter (DM) approaches the so-called neutrino floor below which it is hard to disentangle the DM candidate from the background neutrino. In this work we consider the scenario that no DM signals…

High Energy Physics - Phenomenology · Physics 2020-12-02 Qing-Hong Cao , An-Kang Wei , Qian-Fei Xiang